Table 1.

Characteristics of subjects (n = 40)

Sex, No.
Male (%)	21 (52.5)
Female (%)	19 (47.5)
Age, years
Mean ± SD (range)	55.7 ± 11.3 (22–76)
Body Height, cm
Mean ± SD (range)	163.9 ± 10.3 (150.0–184.0)
Body Weight, kg
Mean ± SD (range)	58.7 ± 12.6 (41.0–110.0)
Body Mass Index, %
Mean ± SD (range)	21.9 ± 3.3 (17.1–32.5)
Dyspepsia, No.
Presence (%)	19 (47.5)
Absence (%)	13 (32.5)
Unknown (%)	8 (20.0)
Peptic ulcer, No.
Presence (%)	15 (37.5)
Absence (%)	18 (45.0)
Unknown (%)	7 (17.5)
Alcohol Habit, No.
Everyday (%)	13 (32.5)
Social drinker or nothing (%)	22 (55.0)
Unknown (%)	5 (12.5)
Smoking Habit, No.
Presence (%)	6 (15.0)
Absence (%)	29 (72.5)
Unknown (%)	5 (12.5)